cuda_main_values.cu

int main(){
  	int n1, n2, sum;
	int *dN1, *dN2, *dSum;

	int size = sizeof(int);

	// allocate device memory
	cudaMalloc((void **)&dN1, size);
	cudaMalloc((void **)&dN2, size);
	cudaMalloc((void **)&dSum, size);

	n1 = 10;
	n2 = 15;

	//copy from host memory to device memory
	cudaMemcpy(dN1, &n1, size, cudaMemcpyHostToDevice);
	cudaMemcpy(dN2, &n2, size, cudaMemcpyHostToDevice);
}